User manual

27 PCA-6742 User Manual

Appendix A Pin Assignments

A.3 USB Ports (USB12 & USB34)

A.4 Serial Ports (COM2)

Table A.3: USB Ports (USB12 & USB34)

Pin Signal

1 VCC

2 VCC

3 USB Data1-

4 USB Data2-

5 USB Data1+

6 USB Data2+

7 GND

8 GND

9 GND

Table A.4: Serial Ports (COM2)

Pin Signal

RS232 RS422 RS485

1 DCD TXD- Data-

2 DSR NC NC

3 RX TXD+ Data+

4 RTS NC NC

5 TX RXD+ NC

6 CTS NC NC

7 DTR RXD- NC

8 RI NC NC

9 GND GND GND